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首页> 外文期刊>Journal of the Optical Society of America, B. Optical Physics >Intrinsic gain switching in optically injected quantum dot laser lasing simultaneously from the ground and excited state
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Intrinsic gain switching in optically injected quantum dot laser lasing simultaneously from the ground and excited state

机译：从基态和激发态同时发射光注入量子点激光的本征增益切换

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摘要

We analyze theoretically nonlinear dynamics of an optically injected two-mode quantum dot laser lasing simultaneously from the ground and excited states. We show that although the external optical signal is injected into the ground-state mode alone, it can lead to the generation of regular picosecond pulses and pulse packages in the intensity of the excited-state mode. Generation of regular streams of picosecond pulses is attributed to an intrinsic gain switching mechanism where the relaxation time is modulated by the oscillations in the occupation of the ground and excited energy states.
机译：我们从基态和激发态同时分析了光学注入的双模量子点激光的理论非线性动力学。我们显示，尽管外部光信号仅被注入到基态模式，但它可以导致激发态模式强度下规则的皮秒脉冲和脉冲包的生成。皮秒级规则脉冲流的产生归因于本征增益切换机制，在该机制中，弛豫时间由对基态和激发能态的占据中的振荡进行调制。

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